#request 3089

hii im looking for a drarry 8th year fic where harry finds some old notebook/journal thing at a bookstore (flourish and blotts maybe?) and he writes in it and someone on the other end responds and theyre very clever about guessing who harry is but they use a pseudonym Eltanin (i think?); the journal writing in ao3 is like tan background and i think italicized? idk it was pretty long, the journals i think were Black family journals, made for Narcissa, Bellatrix, and Andromeda; draco got the other one from narcissa i think